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I have only heard of the 2ml screw vials, I have never heard of the "injection bottle". In the consumables, only the vial and the reservoir are the bottles. It is estimated that what you call the “injection bottle” and the vial is one thing.
The 2ml screw vials in the consumable contains the vial, which is primarily used with the autosampler on the chromatographic instrument.
Generally, 2ml screw vials is equipped with a headspace cover, and is used for injection in the chromatographic liquid phase and the gas phase! The sample vial is equipped with a sealing cap, which is generally used for storage!
This is the end of the introduction of In the chromatographic consumables, is the vial a sample vial? I hope it can help you.